Home / 156,235.49-234,345.39-55,038.56

Finding the Fourth Proportional to 156,235.49, 234,345.39 and 55,038.56

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Solution

The fourth proportional to 156,235.49, 234,345.39 and 55,038.56 is: 82,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,235.49 : 234,345.39 = 55,038.56 : x
  2. Step 2: Convert to fraction form
    156,235.49/234,345.39 = 55,038.56/x
  3. Step 3: Cross multiply
    156,235.49x = 234,345.39 × 55,038.56
  4. Step 4: Simplify right side
    156,235.49x = 12,898,031,430.12
  5. Step 5: Solve for x
    x = 12,898,031,430.12/156,235.49
  6. Step 6: Final answer
    x = 82,555.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.